function loadSerial(pondCode) {
    var url = 'index.php?option=com_manager&c=product&task=loadSerial';
    
    jQuery.ajax({
        url: url,
        data: {'pond_code': pondCode},
        type: 'POST',
        success: function(rsp) {
            jQuery('#list_area').html(rsp);
        }
    });
}